SQL Server 2005 RTM

Hi,
What if I want to remove(clean) all default instances and install SQL Server 2005 RTM as the default instance. I am getting the error
"An instance with the same name is already installed on this computer. To proceed with SQL Server Setup, provide a unique instance name. " while trying to install RTM. I unistalled Sept CTP. How do I remove all the existing instances and start fresh.

Thanks,
-Suri

[436 byte] By [SuriP] at [2007-12-17]

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# 1

I forward my posting to another question here. Try the following.

1. Uninstall all visible Beta components in Add/Remove Programes.

2. Detect the Beta components infromation in the the log file located in %Program Files%\Microsoft SQL Server\90\Setup Bootstrap\LOG\Files\SQLSetup*_%machinename%_Core(Local).log. * stands for a number. Check the latest log file.

3. Search the whole registry keys, remove those registy keys related to those Beta components. This is time-consuming.

4. Kill all Beta SQL Services (including SQL, OLAP, RS, SQLBROWSER, SQLAGENT, etc.) if they are existing with command sc.

5. Reboot the machine.

6. Start Setup again.

JiongxiongChen at 2007-9-8 >

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